c132ac564e
add example code for creating images for resize.dox based on Article #415: How does resizing work? https://www.fltk.org/articles.php?L415 see also https://www.fltk.org/str.php?L3433
116 lines
3.3 KiB
C++
116 lines
3.3 KiB
C++
//
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// Resize example for use in the Fast Light Tool Kit (FLTK) documentation.
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//
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// See Article #415: How does resizing work?
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// https://www.fltk.org/articles.php?L415
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//
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// Copyright 1998-2020 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// https://www.fltk.org/COPYING.php
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//
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// Please see the following page on how to report bugs and issues:
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//
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// https://www.fltk.org/bugs.php
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//
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#include "resize-arrows.h"
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#include <FL/Fl_Double_Window.H>
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// window, complex and arrow dimensions
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int TLx = 35, TRx = 320, TLw = 260, Ww = 620;
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int TLy = 35, LGy = 100, TLh = 65, LGh = 80, LAh = 35, Wh = 200;
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Fl_Double_Window *window = 0;
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class Complex : public Fl_Group {
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public:
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Complex(int X, int Y, int W, int H, const char *T = 0);
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Fl_Box *m_button1, *m_input1, *m_button2, *m_input2;
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};
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Complex::Complex(int X, int Y, int W, int H, const char *T)
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: Fl_Group(X, Y, W, H, T) {
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this->box(FL_UP_BOX);
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Fl_Group *LG = new Fl_Group(X + 10, Y + 10, 120, 45);
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LG->box(FL_UP_BOX);
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m_button1 = new Fl_Box(X + 20, Y + 20, 40, 25, "btn");
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m_button1->box(FL_UP_BOX);
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m_input1 = new Fl_Box(X + 70, Y + 20, 50, 25, "input");
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m_input1->box(FL_UP_BOX);
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m_input1->color(FL_YELLOW);
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LG->resizable(m_input1);
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LG->end();
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Fl_Group *RG = new Fl_Group(X + 130, Y + 10, 120, 45);
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RG->box(FL_UP_BOX);
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m_button2 = new Fl_Box(X + 140, Y + 20, 40, 25, "btn");
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m_button2->box(FL_UP_BOX);
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m_input2 = new Fl_Box(X + 190, Y + 20, 50, 25, "input");
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m_input2->box(FL_UP_BOX);
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m_input2->color(FL_YELLOW);
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RG->resizable(m_input2);
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RG->end();
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this->end();
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}
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class Resizables : public Fl_Group {
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public:
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Resizables(int X, int Y, int W, int H, const char *T = 0);
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Complex *TL, *TR; // topleft, topright
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Harrow *LA, *RA; // left arrow, right arrow
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};
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Resizables::Resizables(int X, int Y, int W, int H, const char *T)
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: Fl_Group(X, Y, W, H, T) {
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TL = new Complex(X + TLx, Y + TLy, TLw, TLh, "Original");
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TL->align(FL_ALIGN_TOP_LEFT);
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TR = new Complex(X + TRx, Y + TLy, TLw, TLh, "Horizonally Resized");
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TR->align(FL_ALIGN_TOP_LEFT);
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Fl_Group *LG = new Fl_Group(X + TLx, Y + LGy, TLw, LGh);
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LG->box(FL_NO_BOX);
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LG->color(FL_WHITE);
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LA = new Harrow(TL->m_input2->x(), LG->y(), TL->m_input2->w(), LAh, "Initial\nwidth");
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LG->resizable(LA);
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LG->end();
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Fl_Group *RG = new Fl_Group(X + TRx, Y + LGy, TLw, LGh);
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RG->box(FL_NO_BOX);
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RG->color(FL_WHITE);
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Fl_Group *RG0 = new Fl_Group(X + TRx, Y + LGy, TLw / 2, LGh);
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RG0->box(FL_NO_BOX);
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RG0->color(FL_WHITE);
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RG0->end();
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Fl_Group *RG1 = new Fl_Group(X + TRx + TLw / 2, Y + LGy, TLw / 2, LGh);
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RG1->box(FL_NO_BOX);
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RG1->color(FL_WHITE);
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RA = new Harrow(TR->m_input2->x(), RG1->y(), TR->m_input2->w(), LAh, "Resized\nwidth");
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RG1->resizable(RA);
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RG1->end();
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RG->end();
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this->resizable(TR);
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this->end();
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}
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int main(int argc, char **argv) {
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window = new Fl_Double_Window(Ww, Wh, "resize-example4b");
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window->color(FL_WHITE);
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Resizables *resizables = new Resizables(0, 0, Ww, Wh);
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window->end();
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window->resizable(resizables);
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window->size_range(Ww, Wh);
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window->show(argc, argv);
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window->size(Ww + 90, Wh);
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return Fl::run();
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}
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